psyched up (adjective) alert: attentive, lively
Sinonime: active, all ears,
bright, cagey,
careful,
circumspect,
clever, fast on the draw, good hands, heads up, heedful,
hip,
intelligent, jazzed,
observant, on guard, on one's toes, on the ball, on the job, on the lookout, on the qui vive,
perceptive, psyched up,
quick,
ready,
sharp,
spirited, switched on,
vigilant,
wary,
watchful, wide-awake, wired,
wise, with it
Antonime: asleep, drowsy,
inattentive,
lethargic,
sluggish, unobservant,
weary